19298493

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2677}}^1$

素因数の和:2778

約数の個数: 20

約数和(自身を含む): 29163420

約数和(自身を除く): 9864927

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2677, 7209, 8031, 24093, 72279, 216837, 238253, 714759, 2144277, 6432831, 19298493]

約数ペア:

[(1, 19298493), (3, 6432831), (9, 2144277), (27, 714759), (81, 238253), (89, 216837), (267, 72279), (801, 24093), (2403, 8031), (2677, 7209)]